<div>
  <el-row>
    <el-button @click="click(1)">
      <router-link to="/list/1/btn/1">添加</router-link>
    </el-button>
    <el-button @click="click(2)">修改</el-button>
    <el-button @click="click(3)">删除</el-button>
    <el-button @click="click(4)">查询</el-button>
  </el-row>
</div>